gtksourceview: update to 3.24.7.
gtksourceview: update to 3.24.7.

Closes: #12537 [via git-merge-pr]

NeoChontrix/void-packages,necrophcodr/void-packages,coredumb/void-packages,coredumb/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,coredumb/void-packages,necrophcodr/void-packages,coredumb/void-packages,coredumb/void-packages,coredumb/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages